In this section we consider the procedure of firmware and unlock USB 3G modem ZTE MF626 MF627 (MF628 not yet met). The following discussion focuses principally for modems MF626 MF627. MF628 modem software listed below may inappropriate due to differences in the chip used in the modem (MF626 MF627 - MSM6246 unlike MF628 - MSM6280), for more information http://depositfiles.com/files/hjp423f65 . Consider processes flash and unlock data modems. In this case, two processes take place using a single togozhe software. This is due to the fact that a special tool to unlock I have not found, and to do it on their own do not see the point, as the program firmware eliminates binding to cellular service.

Proceed directly to consideration of the firmware :-

1. Before you start the firmware, make sure that your USB modem ZTE MF626 or ZTE MF627.
2. Run the program MF626GlobePatch_V1.3.exe. After starting the program the following window appears:

After the device:

In case there is no need to use this program you will see the following:

In case of successful application:

3. After successfully applying the patch proceed directly to the flashing device. For these purposes, we use MF626UpdateTool_GLOBE_PHV1.2.exe. After starting the program you will see the interface to download the inactive button is activated after detection device. Next, click on the download button and the process of the firmware will automatically. It is recommended that the firmware of modems on a computer running Windows XP sp2 or sp3.

4. After successful flashing srazuzhe modem can be used. If as a result of the firmware software crashes due to unforeseen circumstances (shutdown holy, viruses, incorrect configuration of your computer, and others.) Then your modem probably die (cease to work properly). This is likely to happen after the modem as a result of firmware will be transferred to the Download Mode to download the new firmware and at this point the equipment will fail and your modem and oostanetsya in Download Mode. This modem is not dead in the literal sense of the word he just nazhoditsya in a particular mode. On how to bring it out of this mode will be discussed in the next section of this site.

I am here with the step by step tutorial on how to unlock Vodafone ZTE k3770-z using the Vodafone k3770 unlock file and dashboard update.But in this case you will loose your warranty :( Unlocking the Vodafone K3770 3G USB modem will remove the network lock that prevents the modem from working with other mobile networks. Once unlocked Vodafone K3770 3G USB modem will accept SIM cards from different network operators

Software needs to Unlock Vodafone ZTE k3770-z modem:-

Before starting unlocking you need following two software.So download it first and Extract it.

No power fluctuation happens while Unlocking Vodafone k3770 ,If you are using laptop then its better to connect your laptop charger while this process,Any fluctuation in power may damage a firmware of your card.After that your data card will not work properly.

Don’t Remove data card Unlocking.This mistake may dead your modem.

Here,I have described the unlocking process for Vodafone k3770-z in brief.Still If you make any mistake and your modem not responding,then comment below your problem.I’ll try my best to solve !!

MF620 is a USB GSM modem that supports21.1 Mbps UMTS network. This modem can be used almost for any GSM network anywhere. Type that uses a USB 2.0 connection also
allows MF620 modem can be used almost in all types of PCs, computers, notebooks, netbooks and laptops. Driver has been planted in memory modem that can installed easily and plug and play. Outside the UMTS modem service can also be run on the GSM networks GPRS / EDGE on the frequencies 850, 900, 1800 and 1900 MHz.